/**
 * @Description
 */

public class Node {

        public Node(int val){
            Node node1 = new Node(1);
            Node node2 = new Node(2);
            Node node3 = new Node(3);

        }
        Node head;
        Node next;
        int val;
        public void node(){
            Node node1 = head.next;
            Node node2 = node1.next;
            Node node3 = node2.next;
        }


    }

